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地球科学进展  2011, Vol. 26 Issue (4): 426-432    DOI: 10.11867/j.issn.1001-8166.2011.04.0426
研究论文     
青岛邻近海域海水中有机碳的分布特征
谭丽菊,张哲,梁成菊,王江涛*
中国海洋大学,海洋化学理论与工程技术教育部重点实验室,山东青岛266100
Distribution of Organic Carbon in the Seawater of Qingdao and Adjacent Area
Tan Liju, Zhang Zhe, Liang Chengju, Wang Jiangtao
Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education,Ocean University of China, Qingdao266100, China
 全文: PDF(2043 KB)  
摘要:

在2006年8月、12月和2007年4月、10月对青岛邻近海域进行了4个季节的调查,分析了溶解有机碳(DOC)和颗粒有机碳(POC)的分布特征及影响因素。结果表明,调查海区DOC的浓度范围为1.23~3.15 mg/L,年平均值为1.70 mg/L,POC的浓度范围为0.09~1.04 mg/L,年平均值为0.28 mg/L。胶州湾内和近岸海域DOC和POC含量较高,并向离岸方向逐渐降低。季节变化表明DOC和POC在夏季具有最大值,秋季和春季次之,冬季浓度最低。DOC占总有机碳(TOC)的百分含量为(86.3±0.8)%,略低于大洋水的水平。C/N比值分析表明,对于近海水体,不能单纯用C/N比值来判断POC的来源。

关键词: 溶解有机碳(DOC)颗粒有机碳(POC)青岛邻近海域分布特征    
Abstract:

Dissolved and particulate organic carbon was measured during four cruises in Qingdao and adjacent area in August and December 2006, April and October 2007. The concentrations of DOC varied from 1.23 mg/L to 3.15 mg/L,and the average was 1.70 mg/L. The concentrations of POC varied from 0.09 mg/L to 1.04 mg/L,and the average was 0.28 mg/L. Concentrations of DOC and POC were higher in Jiaozhou Bay and coastal areas, and declined toward far sea area. The seasonal variation indicateds that the concentrations of the DOC and POC have the maximal value in summer,and much lower in autumn and spring, and have the lowest value in winter. The ratio of DOC to TOC in the research sea is 86.3±0.8 percent, higher than that in the open sea, which shows the influence of land input. Based on the analysis of ratio of C/N, we found that C/N value of POC in offing can not reflect the origin of POC, especially in the offing water.

Key words: Dissolved organic carbon    Particulate organic carbon    Qingdao and adjacent area    Distribution character
收稿日期: 2010-03-16 出版日期: 2011-04-10
:  P714.4  
基金资助:

国家自然科学基金项目“海洋浮游植物叶绿素荧光参数对营养盐(N、P)限制的响应”(编号:41076065);我国近海海洋综合调查与评价专项“近岸海域生物生态和化学调查项目”(编号:SD-908-01-01-05.06)资助.

通讯作者: 王江涛(1967-),男,山东青岛人,教授,主要从事海洋环境化学研究     E-mail: jtwang@ouc.edu.cn
作者简介: 谭丽菊(1972-),女,山东淮坊人,讲师,主要从事海洋环境化学研究.E-mail:lijutan@ouc.edu.cn
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引用本文:

谭丽菊,张哲,梁成菊,王江涛. 青岛邻近海域海水中有机碳的分布特征[J]. 地球科学进展, 2011, 26(4): 426-432.

Tan Liju, Zhang Zhe, Liang Chengju, Wang Jiangtao. Distribution of Organic Carbon in the Seawater of Qingdao and Adjacent Area. Advances in Earth Science, 2011, 26(4): 426-432.

链接本文:

http://www.adearth.ac.cn/CN/10.11867/j.issn.1001-8166.2011.04.0426        http://www.adearth.ac.cn/CN/Y2011/V26/I4/426

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[1] 刘诚刚,宁修仁,郝锵,乐凤凤. 海洋浮游植物溶解有机碳释放研究进展[J]. 地球科学进展, 2010, 25(2): 123-132.